Home / 30,928.80-46,382.40-16,132.80

Finding the Fourth Proportional to 30,928.80, 46,382.40 and 16,132.80

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Solution

The fourth proportional to 30,928.80, 46,382.40 and 16,132.80 is: 24,193.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,928.80 : 46,382.40 = 16,132.80 : x
  2. Step 2: Convert to fraction form
    30,928.80/46,382.40 = 16,132.80/x
  3. Step 3: Cross multiply
    30,928.80x = 46,382.40 × 16,132.80
  4. Step 4: Simplify right side
    30,928.80x = 748,277,982.72
  5. Step 5: Solve for x
    x = 748,277,982.72/30,928.80
  6. Step 6: Final answer
    x = 24,193.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.